[20:13:28 ERROR]: Could not pass event EntityDamageByEntityEvent to QuantumRPG v4.2.3-BETA
org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:316) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:66) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.callEvent(CraftEventFactory.java:102) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:762) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:661) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:794) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityLiving.damageEntity0(EntityLiving.java:1445) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityLiving.damageEntity(EntityLiving.java:967) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityMonster.damageEntity(SourceFile:61) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityZombie.damageEntity(EntityZombie.java:252) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at de.Keyle.MyPet.compat.v1_13_R2.entity.EntityMyPet.attack(EntityMyPet.java:354) [MyPet-3.5-SNAPSHOT-B1471.jar:?]
        at de.Keyle.MyPet.compat.v1_13_R2.entity.ai.attack.MeleeAttack.tick(MeleeAttack.java:137) [MyPet-3.5-SNAPSHOT-B1471.jar:?]
        at de.Keyle.MyPet.api.entity.ai.AIGoalSelector.tick(AIGoalSelector.java:125) [MyPet-3.5-SNAPSHOT-B1471.jar:?]
        at de.Keyle.MyPet.compat.v1_13_R2.entity.EntityMyPet.doMyPetTick(EntityMyPet.java:1100) [MyPet-3.5-SNAPSHOT-B1471.jar:?]
        at de.Keyle.MyPet.compat.v1_13_R2.entity.EntityMyPet.movementTick(EntityMyPet.java:983) [MyPet-3.5-SNAPSHOT-B1471.jar:?]
        at net.minecraft.server.v1_13_R2.EntityLiving.tick(EntityLiving.java:2098) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityInsentient.tick(EntityInsentient.java:248) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at de.Keyle.MyPet.compat.v1_13_R2.entity.EntityMyPet.tick(EntityMyPet.java:1291) [MyPet-3.5-SNAPSHOT-B1471.jar:?]
        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1331) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.World.g(World.java:1298) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1132) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:583) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:968) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:417) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:831) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:729) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_211]
Caused by: java.lang.NullPointerException